Table 2.

Descriptive statistics

Demographic and clinical variables	Subjects included (n = 361)	Subjects excluded (n = 37)	p value (χ2/U)
Sex (female/male)	199/162	27/10	< 0.05
Age (years), mean (SD)	71.75 (7.06)	70.97 (5.47)	0.93
Education (years), mean (SD)	7.01 (4.06)	6.92 (3.39)	0.68
MMSE raw score, mean (SD)	28.37 (1.55)	25.89 (3.85)	< 0.01
GDS, mean (SD)	5.23 (5.03)	6.89 (5.70)	< 0.05
S-Anxiety scale, mean (SD)	37.08 (11.46)	41.43 (13.72)	0.06
T-Anxiety scale, mean (SD)	37.19 (11.50)	40.22 (15.71)	0.45

MMSE Mini-Mental State Examination, GDS Geriatric Depression Scale, U Mann–Whitney U Test